154980920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{46681}}^1$

素因数の和:46775

約数の個数: 32

約数和(自身を含む): 352915920

約数和(自身を除く): 197935000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 46681, 93362, 186724, 233405, 373448, 466810, 933620, 1867240, 3874523, 7749046, 15498092, 19372615, 30996184, 38745230, 77490460, 154980920]

約数ペア:

[(1, 154980920), (2, 77490460), (4, 38745230), (5, 30996184), (8, 19372615), (10, 15498092), (20, 7749046), (40, 3874523), (83, 1867240), (166, 933620), (332, 466810), (415, 373448), (664, 233405), (830, 186724), (1660, 93362), (3320, 46681)]